<template>
	<view>
		<view class="box">
			<image src="/static/wheel.png" :animation="animationData"></image>
			<image src="/static/point.png" @click="run"></image>
		</view>
		<view >index：{{result}} -- {{todoList[result]}}</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				animationData: {},
				lastResult: 0,
				result: 0,
				deg: 0,
				todoList: ["跑步", "游泳", "学习", "读书", "工作", "休息"],
			}
		},
		methods: {
			run() {
				let animation = uni.createAnimation({
					transformOrigin: "50% 50%",
					duration: 2000,
					timingFunction: "ease",
					delay: 0
				});
				this.animationData = animation;
				this.animationData.rotate(this.randomNum()).step();
				this.animationData = this.animationData.export();
			},
			randomNum() {
				this.result = Math.floor(Math.random() * 6); //数组索引：[0,5]
				if (this.result > this.lastResult) {
					this.deg += 360 * 3 + (this.result - this.lastResult) * 60;
				} else {
					this.deg += 360 * 3 + 360 - (this.lastResult - this.result) * 60;
				}
				console.log(`result:${this.result},deg:${this.deg}`);
				this.lastResult = this.result;

				return this.deg;
			},
		}
	}
</script>

<style>
	.box {
		width: 300rpx;
		height: 300rpx;
		margin: auto;
		position: relative;
	}

	image {
		position: absolute;
		width: 300rpx;
		height: 300rpx;
	}
</style>
